0881e0e8db
This is a license change to Apache 2.0 license. Signed-off-by: Alin Jerpelea <alin.jerpelea@sony.com>
81 lines
2.7 KiB
C
81 lines
2.7 KiB
C
/****************************************************************************
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* boards/arm/cxd56xx/drivers/audio/cxd56_audio_digital.c
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*
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* Licensed to the Apache Software Foundation (ASF) under one or more
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* contributor license agreements. See the NOTICE file distributed with
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* this work for additional information regarding copyright ownership. The
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* ASF licenses this file to you under the Apache License, Version 2.0 (the
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* "License"); you may not use this file except in compliance with the
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* License. You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
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* WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
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* License for the specific language governing permissions and limitations
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* under the License.
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*
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****************************************************************************/
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/****************************************************************************
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* Included Files
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****************************************************************************/
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#include <nuttx/config.h>
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#include <arch/chip/audio.h>
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#include "cxd56_audio_config.h"
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#include "cxd56_audio_ac_reg.h"
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#include "cxd56_audio_bca_reg.h"
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#include "cxd56_audio_digital.h"
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/****************************************************************************
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* Public Functions
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****************************************************************************/
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void cxd56_audio_digital_poweron(void)
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{
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#if defined(CONFIG_CXD56_I2S0) || defined(CONFIG_CXD56_I2S1)
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cxd56_audio_clkmode_t clk_mode = cxd56_audio_config_get_clkmode();
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/* Clear interrupt status of bck_err. */
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cxd56_audio_bca_reg_clear_bck_err_int();
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/* PowerON i2s. */
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cxd56_audio_ac_reg_poweron_i2s(clk_mode);
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#endif /* defined(CONFIG_CXD56_I2S0) || defined(CONFIG_CXD56_I2S1) */
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}
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void cxd56_audio_digital_enable(void)
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{
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#if defined(CONFIG_CXD56_I2S0) || defined(CONFIG_CXD56_I2S1)
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#ifdef CONFIG_CXD56_I2S0
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/* Enable I2S data input and output of SRC1 */
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cxd56_audio_ac_reg_enable_i2s_src1();
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#endif /* CONFIG_CXD56_I2S0 */
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#ifdef CONFIG_CXD56_I2S1
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/* Enable I2S data input and output of SRC2 */
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cxd56_audio_ac_reg_enable_i2s_src2();
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#endif /* CONFIG_CXD56_I2S1 */
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if ((CXD56_AUDIO_CFG_I2S1_MODE == CXD56_AUDIO_CFG_I2S_MODE_MASTER) ||
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(CXD56_AUDIO_CFG_I2S2_MODE == CXD56_AUDIO_CFG_I2S_MODE_MASTER))
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{
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/* Enable BCK, LRCK output. */
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cxd56_audio_ac_reg_enable_i2s_bcklrckout();
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}
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else
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{
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cxd56_audio_ac_reg_disable_i2s_bcklrckout();
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}
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#endif /* defined(CONFIG_CXD56_I2S0) || defined(CONFIG_CXD56_I2S1) */
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}
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